August 1988 lunar eclipse
Partial eclipse | |||||||||||||
Date | 27 August 1988 | ||||||||||||
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Gamma | −0.86816 | ||||||||||||
Magnitude | 0.29159 | ||||||||||||
Saros cycle | 118 (13 of 74) | ||||||||||||
Partiality | 112 minutes, 59.7 seconds | ||||||||||||
Penumbral | 262 minutes, 37.9 seconds | ||||||||||||
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A partial lunar eclipse took place on Saturday, August 27, 1988, the second of two lunar eclipses in 1988, the first being on March 3, 1988. The Earth's shadow on the Moon was clearly visible in this eclipse, with 29.159% of the Moon in shadow; the partial eclipse lasted for 1 hour, 52 minutes and 59.7 seconds. The Moon was only 5 hours and 48 minutes before perigee (Perigee on Saturday, August 27, 1988 at 04:53 p.m. UTC or 16:53), making it 6.3% larger than average[1]
Visibility
[edit]Relations to other lunar eclipses
[edit]Eclipses of 1988
[edit]- A penumbral lunar eclipse on March 3.
- A total solar eclipse on March 18.
- A partial lunar eclipse on August 27.
- An annular solar eclipse on September 11.
Saros series
[edit]This eclipse is part of Saros cycle series 118.
Lunar year series
[edit]Lunar eclipse series sets from 1988–1991 | ||||||||
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Descending node | Ascending node | |||||||
Saros | Date | Type Viewing | Gamma | Saros | Date Viewing | Type Chart | Gamma | |
113 | 1988 Mar 03![]() | Penumbral![]() | 0.98855 | 118 | 1988 Aug 27![]() | Partial![]() | −0.86816 | |
123 | 1989 Feb 20![]() | Total ![]() | 0.29347 | 128 | 1989 Aug 17![]() | Total![]() | −0.14905 | |
133 | 1990 Feb 09![]() | Total![]() | −0.41481 | 138 | 1990 Aug 06![]() | Partial![]() | 0.63741 | |
143 | 1991 Jan 30![]() | Penumbral![]() | −1.07522 | 148 | 1991 Jul 26![]() | Penumbral![]() | 1.43698 | |
Last set | 1987 Apr 14 | Last set | 1987 Oct 07 | |||||
Next set | 1991 Dec 21 | Next set | 1991 Jun 27 |
Metonic cycle (19 years)
[edit]The Metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year. Because it occurs on the same calendar date, the Earth's shadow will be in nearly the same location relative to the background stars.
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Half-Saros cycle
[edit]A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[2] This lunar eclipse is related to two solar eclipses of Solar Saros 125.
August 22, 1979 | September 2, 1997 |
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Tritos series
[edit]- Preceded: Lunar eclipse of September 27, 1977
- Followed: Lunar eclipse of July 28, 1999
Tzolkinex
[edit]- Preceded: Lunar eclipse of July 17, 1981
- Followed: Lunar eclipse of October 8, 1995
See also
[edit]Notes
[edit]- ^ Hermit Eclipse: Saros cycle 118
- ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
External links
[edit]- 1988 Aug 27 chart Eclipse Predictions by Fred Espenak, NASA/GSFC